Plug Power (PLUG) - Market capitalization

Market cap: €2.62 Billion

As of December 2025 Plug Power has a market cap of €2.62 Billion. This makes Plug Power the world's 3904th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Plug Power from 1999 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	€2.62 B	26.16%
2024	€2.08 B	-15.45%
2023	€2.46 B	-63.33%
2022	€6.72 B	-53.21%
2021	€14.36 B	25.39%
2020	€11.45 B	1238.86%
2019	€0.85 B	260.25%
2018	€0.23 B	-47.14%
2017	€0.44 B	118.09%
2016	€0.20 B	-40.71%
2015	€0.34 B	-18.69%
2014	€0.42 B	258.6%
2013	€0.11 B	724.58%
2012	€14.45 M	-59.53%
2011	€35.71 M	-2.92%
2010	€36.78 M	-42.72%
2009	€64.22 M	-0.4%
2008	€64.48 M	-72.88%
2007	€0.23 B	-7.09%
2006	€0.25 B	-31.16%
2005	€0.37 B	12.66%
2004	€0.32 B	-21.35%
2003	€0.41 B	91.52%
2002	€0.21 B	-56.02%
2001	€0.49 B	-27.06%
2000	€0.68 B	-43.46%
1999	€1.20 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Plug Power was reported to be:

€2.63 Billion

by Nasdaq

€2.62 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ballard Power Systems BLDP	€0.72 B	-72.30%	🇨🇦 Canada
FuelCell Energy FCEL	€0.34 B	-86.96%	🇺🇸 USA
Capstone Green Energy CGRN	€5.83 M	-99.78%	🇺🇸 USA
Walmart WMT	€788.25 B	29,880.82%	🇺🇸 USA
Procter & Gamble PG	€288.36 B	10,867.90%	🇺🇸 USA
Air Products and Chemicals APD	€49.83 B	1,795.60%	🇺🇸 USA
Lowe's Companies LOW	€119.71 B	4,453.19%	🇺🇸 USA
General Electric GE	€258.61 B	9,736.24%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Plug Power (PLUG)

Market cap: €2.62 Billion